# A121606 (b-file synthesized from sequence entry)
1 1
2 2
3 5
4 11
5 19
6 37
7 73
8 85
9 155
10 193
11 227
12 233
13 257
14 785
15 797
16 1277
17 2371
18 2771
19 4213
20 9107